Home / 7,680.18-10,599.28-4,323.12

Finding the Fourth Proportional to 7,680.18, 10,599.28 and 4,323.12

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Solution

The fourth proportional to 7,680.18, 10,599.28 and 4,323.12 is: 5,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,680.18 : 10,599.28 = 4,323.12 : x
  2. Step 2: Convert to fraction form
    7,680.18/10,599.28 = 4,323.12/x
  3. Step 3: Cross multiply
    7,680.18x = 10,599.28 × 4,323.12
  4. Step 4: Simplify right side
    7,680.18x = 45,821,959.35
  5. Step 5: Solve for x
    x = 45,821,959.35/7,680.18
  6. Step 6: Final answer
    x = 5,966.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.